Bantu jawab,1-5.......

Bantu jawab,1-5…….

1. B

2. B
$< {105}^{0} = frac{ {105}^{0}}{{360}^{0}} = frac{ {105}^{0}}{ {360}^{0}} div frac{15}{15} = frac{ {17}^{0}}{ {24}^{0} }$

3. D
refleksi <65° = 360° – 65° = 295°

4.D
${28}^{0}{26}^{1} {32}^{11} \ {49}^{0} {38}^{1} {41}^{11}$
—————— +
${77}^{0} {64}^{1} {73}^{11} \ {78}^{0} {05}^{1} {13}^{11}$

5. B
${5}^{0} {23}^{1} : : : {4}^{0} {83}^{0} \ : : : : : : : : : : : : : {3}^{0} {47}^{1}$
——————– –
${1}^{0} {36}^{1}$